NEW COLOR CENTERS AND PHOTOSTIMULATED LUMINESCENCE(PSL)OF BaFBr:Eu2+

Chen Wei; Su Mianzeng

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NEW COLOR CENTERS AND PHOTOSTIMULATED LUMINESCENCE(PSL)OF BaFBr:Eu²⁺

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- NEW COLOR CENTERS AND PHOTOSTIMULATED LUMINESCENCE(PSL)OF BaFBr:Eu²⁺
- Chinese Journal of Luminescence Vol. 14, Issue 2, Pages: 119-123(1993)
- 作者机构：
  
  北京科技大学材料物理系, 北京 100871
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Received：09 November 1992，
  
  Published：30 May 1993
- 稿件说明：
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陈伟, 苏勉曾. BaFBr:Eu2+中的新型色心及其光激励发光[J]. 发光学报, 1993,14(2): 119-123

Chen Wei, Su Mianzeng. NEW COLOR CENTERS AND PHOTOSTIMULATED LUMINESCENCE(PSL)OF BaFBr:Eu2+[J]. Chinese Journal of Luminescence, 1993,14(2): 119-123
陈伟, 苏勉曾. BaFBr:Eu2+中的新型色心及其光激励发光[J]. 发光学报, 1993,14(2): 119-123 DOI：

Chen Wei, Su Mianzeng. NEW COLOR CENTERS AND PHOTOSTIMULATED LUMINESCENCE(PSL)OF BaFBr:Eu2+[J]. Chinese Journal of Luminescence, 1993,14(2): 119-123 DOI：

摘要

本文报导了BaFBr:EU

晶体中的新型色心

即F

和F

心.F

、F

和F

的吸收带分别位于670—715nm

810—900nm和970—995nm.它们是由F心的凝聚作用而形成的缔合中心.由于这些色心比F心稳定

且它们的吸收带偏离Eu

的发射波长(390nm)更远

故更适合于BaFBr:Eu

光激励发光的研究和开发.

Abstract

New color centers

and F

in BaFBr:Eu

crystal are reported in this paper.Their absorption bands are in 810-900nm 670-715nm

and 970-995nm respectively.They are F aggregates formed by the association of F centers.According to the present study

and F

centers are more stable than F centers and the deviation of stimulation bands from the emission band of Eu

is farther than that of F bands from the emission band of Eu

.Therefore F

and F

centers are more efficient for X-ray storage.

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Related Institution

Institute of Material Physics, Tianjin University of Technology

Analysis and Examination Center, Fudan University

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Department of Physics, National Key Laboratory for Applied Surface Physics, Fudan University

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